The product, called SteelSeal, will be stocked in A1â€™s 270 nationwide stores.
Proppa says its product permanently seals blown head gaskets, warped heads and cracked engine blocks. Itâ€™s designed to be mixed with antifreeze and water, and then poured into the radiator of a cold engine.
This is another bold move by Proppa founder Adam Weaver, who was recently listed as one of the Midlandsâ€™ 42 best young entrepreneurs.
Weaver said: â€œSteelSeal is an amazing product and it’s great that such a major chain has picked up on its effectiveness.
“This is the first product to go into A1 from Proppa and the advantage of supplying to A1 is that they will act as a wholesaler and distributor, which provide us with the opportunity for volume sales.â€